<!--
 * @Descripttion: 
 * @version: 
 * @Author: 冉勇
 * @Date: 2021-10-03 15:55:31
 * @LastEditTime: 2021-10-05 13:18:14
-->

<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <!--
                border：边框
                stripe：表格斑马纹
                type="index" 索引
            -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <!-- 使用作用域插槽进行数据获取 -->
                    <template slot-scope="scope">
                        <!-- 获取到add_time过后调用时间过滤器方法名 -->
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <!-- 编辑按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodslist: [],
            // 总数据条数
            total: 0
        }
    },
    created() {
        // 存储所有goodlist数据
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品分类
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods',{ params: this.queryInfo})
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败!')
            }
            console.log(res.data)
            // 将商品列表存储到data中的 goodlist中
            this.goodslist = res.data.goods
            // 将商品总量存储到data中的 total中
            this.total = res.data.total
            return this.$message.success('获取商品列表成功')
        },
        handleSizeChange(nweSize) {
            this.queryInfo.pagesize = nweSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
            }).catch(err => err)
            if(confirmResult !== 'confirm') {
                return this.$message.info('已经取消删除!')
            }
            const{ data: res } = await this.$http.delete(`goods/${id}`)
            if(res.meta.status !== 200) {
                return this.$message.error("删除失败!")
            }
            // 重新获取商品列表
            this.getGoodsList()
            return this.$message.success("删除成功")
        },
        goAddpage() {
            // 跳转地址到 /goods/add
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>
</style>